This Week In HRV Edition

This Week In HRV Edition

In this episode, we review seven new studies published between September 19 and September 25, 2025. Together, they highlight the many ways HRV intersects with brain activity, breathing practices, cardiac recovery, exercise environments, emergency medicine, environmental stressors, and new multimodal measurement approaches.

We’ll explore:

  • How brain networks and cognitive load shape HRV readings.
  • Why slow breathing alone is powerful, and what feedback really adds.
  • The Benefits of Yoga Nidra for Patients Recovering from Coronary Artery Bypass Surgery.
  • How walking in natural environments provides a stronger autonomic boost than indoor or urban exercise.
  • Real-world HRV findings in emergency medicine and why lab results don’t always translate.
  • How pollution, heat, and noise suppress vagal tone.
  • New frontiers in dynamic and multimodal HRV metrics.

As always, I’ll connect the research to practical, client-ready strategies you can use right away.

This podcast is sponsored by Optimal HRV. Learn more at optimalhrv.com.

References
  1. Behavioural Brain Research – Neural and cognitive influences on autonomic function. https://doi.org/10.1016/j.bbr.2025.115811

  2. Psychophysiology – Comparing HRV biofeedback and slow-paced breathing. https://doi.org/10.1111/psyp.70156

  3. Cureus – Impact of Yoga Nidra on heart rate variability in coronary artery disease patients undergoing coronary artery bypass grafting. https://www.cureus.com/articles/402202-impact-of-yoga-nidra-on-heart-rate-variability-in-coronary-artery-disease-patients-undergoing-coronary-artery-bypass-grafting-a-comparative-study

  4. Psychology of Sport and Exercise – Green exercise randomized controlled trial. https://doi.org/10.1016/j....

Episoder(106)

This Week In HRV - Episode 28

This Week In HRV - Episode 28

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This Week In HRV - Episode 27

This Week In HRV - Episode 27

In this week’s episode, host Matt Bennett explores the expanding frontier of heart rate variability as a bridge between subjective stress, neural adaptability, physiological arousal, and early cogniti...

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Dr. Inna Khazan Different Options to get the Most of HRV Biofeedback

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In this episode, Matt Bennett interviews Dr. Inna Khazan about how people can use different options to maximize their biofeedback practice.

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This Week In HRV - Episode 26

This Week In HRV - Episode 26

In this week’s episode, host Matt Bennett moves beyond environmental stressors to explore the biological architecture that governs our autonomic responses. From the inflammatory milieu of coronary art...

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This Week In HRV - Episode 25

This Week In HRV - Episode 25

In this week’s episode of The Heart Rate Variability Podcast: This Week in HRV Edition, we explore five new studies that highlight the remarkable breadth of heart rate variability research — from the ...

17 Feb 25min

Dr. Tommy Rhee's Innovative Approach to Regenerative Health

Dr. Tommy Rhee's Innovative Approach to Regenerative Health

In this episode, Matt Bennett interviews chiropractor Dr. Tommy Rhee about his utilization of heart rate variability in his innovative approach to regenerative health, recovery, and performance.

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This Week In HRV - Episode 24

This Week In HRV - Episode 24

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10 Feb 11min

This Week In HRV - Episode 23

This Week In HRV - Episode 23

EPISODE 23 – THIS WEEK IN HEART RATE VARIABILITY Episode Title:HRV Across Cardiovascular Disease, Stress, Cognition, Development, and Social Connection Episode Summary:In Episode 23 of the Heart Rate ...

3 Feb 44min

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